1. Make sure that there is Catalan keyboard in Settings > General > Keyboard > Keyboards.
2. Additionally, make sure that Automatic or Spanish - ISO is selected for the Catalan keyboard in Settings > General > Keyboard > Hardware Keyboard.
3. The Catalan language code is CA, represented by the numeric 7, 4.
4. The language at L3 can be any Roman alphabet language. The initial factory setting is English.
5. The language at L4 can be any language. The initial factory setting is none.
6. The Catalan language can be set at either L3 or L4.
7. To set the Catalan language at L3, press L3 + L1, 6, 7, 4.
8. To set the Catalan language at L4, press L3 + L1, L4, 6, 7, 4.
9. To unset the language at L4, press L3 + L1, L4, R1.
10. Roman alphabet letters and common keyboard symbols are as in Rivo alphabet layout and Rivo symbols layout.
11. Letters with diacritic accent marks in Catalan can be typed as follows:
| é | R2 + 1 |
| è | R2 + 1, 1 |
| ú | R2 + 2 |
| ü | R2 + 2, 2 |
| ó | R2 + 3 |
| ò | R2 + 3, 3 |
| à | R2 + 4 |
| í | R2 + 6 |
| ï | R2 + 6, 6 |
| ç | R2 + 7 |
12. Additional symbols can be typed in symbol mode as follows:
| € | R2 + 6 |
| £ | R2 + # |
| ª | R2 + 4 |
| º | R2 + 3 |
| ¡ | R2 + 1 |
| ¿ | R2 + 2 |